<template>
	<view>
		<text class="example-info">此示例展示了聊天列表的使用场景</text>

		<!-- <uni-section title="自定义右侧内容" type="line"></uni-section> -->
		<!-- <uni-list> -->
		<uni-list-chat v-for="item in listData" :key="item.id" to="../../userchat/userchat" 
		:title="item.author_name" 
		:avatar="item.cover" 
		:note="item.title"
		 badge-positon="left" 
		:badge-text="item.text"  >
			<view class="chat-custom-right">
				<text class="chat-custom-text">{{item.published_at}}</text>
				<uni-icons type="star-filled" color="#999" size="18"></uni-icons>
			</view>
		</uni-list-chat>
		<!-- </uni-list> -->

	</view>
</template>

<script>
	export default {
		components: {},
		data() {
			return {
				UNITS: {
					'年': 31557600000,
					'月': 2629800000,
					'天': 86400000,
					'小时': 3600000,
					'分钟': 60000,
					'秒': 1000
				},
				listData: [],
				avatarList: [{
					url: '/static/logo.png'
				}, {
					url: '/static/logo.png'
				}, {
					url: '/static/logo.png'
				}]
			}
		},
		onLoad() {
			this.getList();
			this.name = uni.getStorageSync('name');
			this.connectSocketInit();
		},
		methods: {
				connectSocketInit() {
					var that = this;
					uni.connectSocket({
						url: 'ws://localhost:8083/face/api/websocket/'+this.name, //请输入链接websocke.io地址
						success() {
							uni.onSocketOpen(function(res) {
								this.socketOpen = true;
								uni.showToast({
									icon: 'none',
									position: 'bottom',
									title: 'Socket连接已打开！'
								});
								// uni.sendSocketMessage({
								// 	data: "message", //自身定义一个发送消息对象
								// 	success: function() {
								// 		uni.onSocketMessage(function(res) {
								// 			var s = JSON.parse(res.data);
								// 			that.list.push({
								// 				con: s.msg,
								// 				ss: s.name
								// 			});
								// 		});
								// 	},
								// 	fail: function() {
								// 		uni.showToast({
								// 			icon: 'none',
								// 			position: 'bottom',
								// 			title: '数据发送失败'
								// 		});
								// 	}
								// });
							});
						uni.onSocketError(function (res) {
						  console.log('WebSocket连接打开失败，请检查！');
						});
						}
						
					});
					uni.onSocketMessage(function (res) {
						// {"messageType":3,"onlineUsers":["张起灵"]}
						//如果msgType=3 设置在线名单
					  console.log('收到服务器内容：' + res.data);
					  
					});
					uni.onSocketClose(function (res) {
					  console.log('WebSocket 已关闭！');
					});
				},// 关闭socket
				closeSocket() {
					uni.closeSocket(function(res) {
						console.log('WebSocket 已关闭！');
					});
				},
			onClick() {
				uni.showToast({
					title: '当前列表被点击'
				})
			},
			goChat(){
			console.log("11")
			}
			,
			avatar(count) {
				let arr = []
				this.avatarList.forEach((item, index) => {
					if (index < count) {
						arr.push(item)
					}
				})
				return arr
			},
			getList() {
				var data = {
					column: 'id,post_id,title,author_name,cover,published_at' //需要的字段名
				};

				uni.request({
					url: 'https://unidemo.dcloud.net.cn/api/news',
					data: data,
					success: data => {
						if (data.statusCode == 200) {
							let list = this.setTime(data.data);
							list = this.reload ? list : this.listData.concat(list);
							list.map(item => {
								item.text = Math.floor(Math.random() * (1 - 20) + 20)
								return item
							})
							this.listData = this.getRandomArrayElements(list, 5)
							console.log(this.listData[0])
							
						}
					},
					fail: (data, code) => {
						console.log('fail' + JSON.stringify(data));
					}
				});
			},
			getRandomArrayElements(arr, count) {
				var shuffled = arr.slice(0),
					i = arr.length,
					min = i - count,
					temp, index;
				while (i-- > min) {
					index = Math.floor((i + 1) * Math.random());
					temp = shuffled[index];
					shuffled[index] = shuffled[i];
					shuffled[i] = temp;
				}
				return shuffled.slice(min);
			},
			setTime(items) {
				var newItems = [];
				items.forEach(e => {
					newItems.push({
						author_name: e.author_name,
						cover: e.cover,
						id: e.id,
						post_id: e.post_id,
						published_at: this.format(e.published_at),
						title: e.title
					});
				});
				return newItems;
			},
			format(dateStr) {
				var date = this.parse(dateStr)
				var diff = Date.now() - date.getTime();
				if (diff < this.UNITS['天']) {
					return this.humanize(diff);
				}
				var _format = function(number) {
					return (number < 10 ? ('0' + number) : number);
				};
				return date.getFullYear() + '-' + _format(date.getMonth() + 1) + '-' + _format(date.getDate()) + ' ' +
					_format(date.getHours()) + ':' + _format(date.getMinutes());
			},
			parse(str) { //将"yyyy-mm-dd HH:MM:ss"格式的字符串，转化为一个Date对象
				var a = str.split(/[^0-9]/);
				return new Date(a[0], a[1] - 1, a[2], a[3], a[4], a[5]);
			},

		}
	}
</script>

<style>
	@charset "UTF-8";

	/* 头条小程序组件内不能引入字体 */
	/* #ifdef MP-TOUTIAO */
	@font-face {
		font-family: uniicons;
		font-weight: normal;
		font-style: normal;
		src: url("~@/static/uni.ttf") format("truetype");
	}

	/* #endif */
	/* #ifndef APP-NVUE */
	page {
		display: flex;
		flex-direction: column;
		box-sizing: border-box;
		background-color: #efeff4;
		min-height: 100%;
		height: auto;
	}

	view {
		font-size: 14px;
		line-height: inherit;
	}

	.example {
		padding: 0 15px 15px;
	}

	.example-info {
		padding: 15px;
		color: #3b4144;
		background: #ffffff;
	}

	.example-body {
		/* #ifndef APP-NVUE */
		display: flex;
		/* #endif */
		flex-direction: row;
		flex-wrap: wrap;
		justify-content: center;
		padding: 0;
		font-size: 14px;
		background-color: #ffffff;
	}

	/* #endif */
	.example {
		padding: 0 15px;
	}

	.example-info {
		/* #ifndef APP-NVUE */
		display: block;
		/* #endif */
		padding: 15px;
		color: #3b4144;
		background-color: #ffffff;
		font-size: 14px;
		line-height: 20px;
	}

	.example-info-text {
		font-size: 14px;
		line-height: 20px;
		color: #3b4144;
	}

	.example-body {
		flex-direction: column;
		padding: 15px;
		background-color: #ffffff;
	}

	.word-btn-white {
		font-size: 18px;
		color: #FFFFFF;
	}

	.word-btn {
		/* #ifndef APP-NVUE */
		display: flex;
		/* #endif */
		flex-direction: row;
		align-items: center;
		justify-content: center;
		border-radius: 6px;
		height: 48px;
		margin: 15px;
		background-color: #007AFF;
	}

	.word-btn--hover {
		background-color: #4ca2ff;
	}

	.chat-custom-right {
		flex: 1;
		/* #ifndef APP-NVUE */
		display: flex;
		/* #endif */
		flex-direction: column;
		justify-content: space-between;
		align-items: flex-end;
	}

	.chat-custom-text {
		font-size: 12px;
		color: #999;
	}
</style>
